//
//  AppDelegate.swift
//  loveBee
//
//  Created by zhangxing on 2017/8/12.
//  Copyright © 2017年 zhangXing. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        
        window = UIWindow(frame: UIScreen.main.bounds)
        
        let rootVC = ZXOpenAnimateViewController()
        
        window?.rootViewController = rootVC
        
        window?.makeKeyAndVisible()
        
        //注册通知监听者
        //因为他是启动动画,所以他需要在appdelegate里面注册监听
        NotificationCenter.default.addObserver(self, selector: #selector(changeRootController), name: NSNotification.Name(changeRootVC), object: nil)
        
        
        return true
    }
    //  MARK: --   切换根视图控制器
    @objc private func changeRootController() {
        
        //如果你是第一次登录,点击立即体验按钮切换的根视图控制器是这个ZXTabBarController,
        //如果你不是第一次登录,缩放动画结束后跳转到的控制器也是ZXTabBarController
        //所以他们发送了同一个通知changeRootVC
        window?.rootViewController = ZXTabBarController()
        
    }

    func applicationWillResignActive(_ application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(_ application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(_ application: UIApplication) {
        // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(_ application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(_ application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

